
var ETNGpager = function( srcName, dstName, pageBar, cntPP, cntPS ) 
{ 
        this.srcName    = srcName; 
        this.dstName    = dstName; 
        this.pageBar    = pageBar; 
        this.curP       = 1;//默认当前页为第一页 
        this.cntPP      = cntPP || 2;//默认每页两条纪录 
        this.cntPS      = cntPS || 3;//默认每页显示5个分页上下文 
        this.items      = []; 
        this.showPNP    = true;/*显示上下页链接*/ 
        this.showType   = true;/*滑动分页*/ 
        this.result     = {pagedata:[],pagebar:'',limit:[0,0],report:''}; 
        this.parse();/*总纪录数*/ 
} 
ETNGpager.prototype.page = function (){ 
    this.cntP    = Math.ceil(this.cntR/this.cntPP);/*总页数*/ 
    this.cntS    = Math.ceil(this.cntP/this.cntPS);/*总段数*/ 
    this.curS    = Math.ceil(this.curP/this.cntPS);/*当前段*/ 
    this.preP    = this.curP -1;/*上一页*/ 
    this.nextP    = this.curP +1;/*下一页*/ 
    this.preS    = this.curS -1;/*上一段*/ 
    this.nextS    = this.curS +1;/*下一段*/ 
    this.startR    = (this.curP -1)*this.cntPP + 1;/*起始纪录*/ 
    this.endR    = (this.curP*this.cntPP >this.cntR)?this.cntR:this.curP*this.cntPP;/*结束纪录*/ 
    this.result['pagedata']=[]; 
    if(this.showType){ 
        this.perSide    = Math.floor(this.cntPS/2); 
        this.startP        = (this.curP > this.perSide)?(this.curP - this.perSide):1; 
        this.endP        = (this.startP + this.cntPS)>this.cntP?this.cntP:(this.startP + this.cntPS); 
    }else{ 
        this.startP        = (this.curS-1)*this.cntPS+1; 
        this.endP        = (this.curS*this.cntPS>this.cntP)?this.cntP:(this.curS*this.cntPS); 
    } 
    for(var i = this.startP;i<=this.endP;i++){ 
        this.result['pagedata'].push((i==this.curP)?'<span class="red">'+i+'</span>':'<span onclick="page('+i+');">'+i+'</span>'); 
    } 
    if(this.showPNP){ 
        if(this.curP>1)this.result['pagedata'].unshift('<span onclick="page('+(this.curP-1)+')">上一页</span>'); 
        if(this.curP<this.cntP)this.result['pagedata'].push('<span onclick="page('+(this.curP+1)+')">下一页</span>'); 
    } 
    this.result['pagebar']    = this.result['pagedata'].join('&nbsp;&nbsp;'); 
    this.result['limit']    = [this.startR,this.endR]; 
    this.result['report']    = '共'+this.cntR+'条,'+this.curP+'/'+this.cntP+'页';
	//当前页'+this.startR+'-'+this.endR+','

} 
ETNGpager.prototype.parse = function (){ 
    var obj = document.getElementById(this.srcName); 
    for(var i = 0;i<obj.childNodes.length;i++){ 
        if(obj.childNodes[i].nodeType!=3)this.items[this.items.length]=obj.childNodes[i].innerHTML; 
    } 
    this.cntR = this.items.length; 
    return this.items.length; 
} 
ETNGpager.prototype.create=function(){ 
    this.page(); 
    document.getElementById(this.dstName).innerHTML='<li>'+this.items.slice(this.startR-1,this.endR).join('</li><li>')+'</li>'; 
    document.getElementById(this.pageBar).innerHTML='<span class="ctrlPages">'+this.result['pagebar']+"</span>&nbsp;&nbsp;<span>"+this.result['report']+'</span>';
} 

ETNGpager.prototype.createList=function(){ 
    this.page(); 
    document.getElementById(this.dstName).innerHTML='<ul>'+this.items.slice(this.startR-1,this.endR).join('</ul><ul>')+'</ul>';  	
	
} 

ETNGpager.prototype.ncreateList=function(){ 
    this.page(); 
    document.getElementById(this.dstName).innerHTML='<li>'+this.items.slice(this.startR-1,this.endR).join('</li><li>')+'</li>';  	
	
} 

ETNGpager.prototype.pcreateList=function(){ 
    this.page(); 
    document.getElementById(this.dstName).innerHTML='<font>'+this.items.slice(this.startR-1,this.endR).join('</font><font>')+'</font>';  	
	
} 
